.case-banner {
  position: relative;
}
.case-banner-p {
  position: absolute;
  left: 0;
  right: 0;
  top: 178px;
  bottom: 0;
  text-align: center;
}
.case-banner-p p:nth-child(1) {
  color: #fff;
  font-size: 70px;
  font-weight: 600;
  font-family: "PingFang SC", "Microsoft YaHei", "SimSun", "Arial", sans-serif;
  letter-spacing: 10px;
  text-shadow: 4px 0px 0px #f90000;
}
.case-banner-p p:nth-child(2) {
  color: #fff;
  font-size: 45px;
  font-weight: 500;
  letter-spacing: 10px;
  text-shadow: 3px 0px 0px #28ebe6;
}
